Home / 493,540,402.88-735,898,222.09-479,980,685.72

Finding the Fourth Proportional to 493,540,402.88, 735,898,222.09 and 479,980,685.72

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Solution

The fourth proportional to 493,540,402.88, 735,898,222.09 and 479,980,685.72 is: 715,679,873.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,540,402.88 : 735,898,222.09 = 479,980,685.72 : x
  2. Step 2: Convert to fraction form
    493,540,402.88/735,898,222.09 = 479,980,685.72/x
  3. Step 3: Cross multiply
    493,540,402.88x = 735,898,222.09 × 479,980,685.72
  4. Step 4: Simplify right side
    493,540,402.88x = 353,216,933,258,887,104
  5. Step 5: Solve for x
    x = 353,216,933,258,887,104/493,540,402.88
  6. Step 6: Final answer
    x = 715,679,873.82

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.